배터리 셀의 부피 팽창 감지용 PVdF-HFP/BTO 압전 센서 기반 압력 감지 시스템 설계open accessDesigning PVdF-HFP/BTO Piezoelectric Sensor based Sensing System for Detecting Volume Expansion of Battery Cell
- Other Titles
- Designing PVdF-HFP/BTO Piezoelectric Sensor based Sensing System for Detecting Volume Expansion of Battery Cell
- Authors
- 홍석원; 배지현; 이병선
- Issue Date
- Mar-2024
- Publisher
- 한국세라믹학회
- Keywords
- Aduino; Battery volume expansion; Hybrid electrospinning/spraying; Piezoelectric sensor; Visual and audible alarm
- Citation
- 세라미스트, v.27, no.1, pp 61 - 74
- Pages
- 14
- Indexed
- KCICANDI
- Journal Title
- 세라미스트
- Volume
- 27
- Number
- 1
- Start Page
- 61
- End Page
- 74
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/196938
- DOI
- 10.31613/ceramist.2024.27.1.03
- ISSN
- 1226-976X
2586-0631
- Abstract
- Piezoelectric sensor can be used to inform the battery safety by detecting the battery swelling induced pressure. In this study, a piezoelectric sensing material, sensor unit, and sensing system were developed using piezoelectric polymer polyvinylidene fluoride-co-hexafluoropropylene(PVdF-HFP) and piezoelectric ceramic BaTiO3(BTO). Free-standing PVdF-HFP/BTO composite nanofiber web was retrieved as the sensing material due to the nanofiber web-based flexibility and the molecular arrangement driven piezoelectric performances. The PVdF-HFP/BTO composite nanofiber web-based sensor was employed in the automatic pressure sensing system, which provides the visual and audible signals once the pressure exceeds a certain limit. Our work demonstrates that the design of new piezoelectric sensing system is a fruitful pathway to sensing the battery malfunctions.
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